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Beet armyworm

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303: in). Forewing is greyish ochreous in color, washed with dull yellow and sprinkled with black scales. Inner and outer lines are double, indistinct, filled in with pale yellowish color. A dark waved median shade visible before lower half of outer line. Cell is dark brown. Orbicular stigma is pale or bright yellow, and round, whereas reniform has a curved brown lunule in centre. The submarginal line is pale grey. There is the darker shade preceding it with dark streaks between the veins. Terminal spots are black. Hindwings semihyaline are white, with the veins dark brown. All three margins are shaded with fuscous color. 53: 40: 31: 270: 322:
rather than neatly removing tissue from one particular leaf, rendering the produce unmarketable. Larvae also attack buds and new growth on plants, preventing flowers from opening, new leaves from sprouting, and vegetables from developing. As the smaller larvae move about they leave strands of
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Larvae are pinkish brown, clotted with black. Spiracular line pale ochreous, with dark upper edge. They are greenish-brown cutworms, soft and bulging caterpillars with dark longitudinal stripes.
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of leaves, so all that remains is the thin epidermis and veins. Larger larvae tend to burrow holes through thick areas of plants. For example, they will burrow straight into a head of
624:"Robinson, G. S., P. R. Ackery, I. J. Kitching, G. W. Beccaloni & L. M. Hernández, 2010. HOSTS – A Database of the World's Lepidopteran Hostplants. Natural History Museum, London" 266:
Thought to have originated in south-east Asian countries, it was first discovered in North America about 1876, when it was found in Oregon, and it reached Florida in 1924.
978: 1063: 612:, Verlag Alfred Kernen, Stuttgart Band 3: Abt. 1, Die Großschmetterlinge des palaearktischen Faunengebietes, Die palaearktischen eulenartigen Nachtfalter, 1914 739: 685: 952: 991: 250:
and is now found almost anywhere its many host crops are grown. The voracious larvae are the main culprits. In the British Isles, where it is an
407:, but in colder areas, it dies off during the winter and the region is reinvaded by the adult moth as the weather warms and crop plants sprout. 1172: 480:
products. Eggs can be killed by using petroleum oil concentrations. Applying cottonseed oil to leaves can eliminate both eggs and larvae.
331: 1127: 1004: 913: 1157: 718: 399:, many flowers, and a multitude of weed species. The beet armyworm does not tolerate cold. It can overwinter in warm areas, such as 1177: 1122: 708: 1137: 1132: 996: 1050: 1162: 1142: 314:
The larvae feed on the foliage and fruits of plants, and can completely defoliate small ones. Smaller larvae devour the
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Robinson, Gaden S.; Ackery, Phillip R.; Kitching, Ian; Beccaloni, George W.; Hernández, Luis M. (2023).
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Apart from biological control, many chemical pesticides are extensively used. Larvae are susceptible to
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Pheromone traps and mechanical hand picking of adults and caterpillars are extensively used.
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are also effective controlling measures. Pupal stages can be eliminated by introducing
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lay eggs on the caterpillars, and their larvae feed and emerge. Predators like
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The adult is a drab brown or grey moth with a wingspan of 26–32 millimetres (1–
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The Fauna of British India, Including Ceylon and Burma: Moths Volume II
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and not known to breed, the adult moth is known as the
765: 343:The wide host range of the beet armyworm includes 327:behind, netting the leaves with a silvery film. 246:. It is native to Asia, but has been introduced 562: 560: 558: 556: 554: 8: 753: 38: 29: 20: 506: 648: 637: 694:Lepidoptera and Some Other Life Forms 190: 7: 945:7e9f8b19-7432-4b15-ae79-edf70d963b82 670:"73.087 BF2385 Small Mottled Willow 537:"beet armyworm (Spodoptera exigua)" 14: 282:For a key to the terms used, see 51: 610:Die Großschmetterlinge der Erde 539:. Plantwise Technical Factsheet 1: 680:. Retrieved January 13, 2019. 515:"Spodoptera exigua (Hübner)" 284:Glossary of entomology terms 742:Featured Creatures Web site 234:) is one of the best-known 1194: 1173:Taxa named by Jacob Hübner 626:. Natural History Museum. 281: 244:asparagus fern caterpillar 242:. It is also known as the 1128:Agricultural pest insects 690:(Hübner, [1808])" 674:(Hübner, [1808])" 256:small mottled willow moth 226:small mottled willow moth 189: 182: 163: 156: 48:Scientific classification 46: 37: 28: 23: 1158:Moths of the Middle East 1178:Insect pests of millets 1123:Moths described in 1808 570:. University of Florida 1138:Moths of North America 647:Cite journal requires 428:Cotesia marginiventris 335: 274: 1133:Owlet moths of Africa 728:, a migratory plague. 464:Podisus maculiventris 440:Lespesia archippivora 333: 272: 940:Fauna Europaea (new) 608:Seitz, A. Ed., 1914 434:Meteorus autographae 1143:Moths of Cape Verde 716:beet armyworm video 721:2012-06-20 at the 494:Spodoptera exempta 470:Solenopsis invicta 422:Chelonus insularis 355:, sugar and table 336: 275: 252:introduced species 1105: 1104: 1090:Open Tree of Life 831:Spodoptera-exigua 811:Spodoptera_exigua 797:Spodoptera exigua 767:Spodoptera exigua 759:Taxon identifiers 726:Spodoptera exigua 688:Spodoptera exigua 672:Spodoptera exigua 231:Spodoptera exigua 218: 217: 212: 205: 197: 167:Spodoptera exigua 1185: 1163:Moths of Réunion 1098: 1097: 1085: 1084: 1072: 1071: 1059: 1058: 1056:NHMSYS0021144565 1046: 1045: 1033: 1032: 1023: 1022: 1013: 1012: 1000: 999: 987: 986: 974: 973: 961: 960: 948: 947: 935: 934: 922: 921: 909: 908: 896: 895: 883: 882: 870: 869: 857: 856: 844: 843: 834: 833: 824: 823: 814: 813: 801: 800: 799: 786: 785: 784: 754: 704: 702: 700: 684:Savela, Markku. 657: 656: 650: 645: 643: 635: 632:10.5519/havt50xw 619: 613: 606: 600: 599: 586: 580: 579: 577: 575: 564: 549: 548: 546: 544: 533: 527: 526: 524: 522: 511: 490:African armyworm 302: 301: 297: 294: 211: 203: 201:Caradrina venosa 195: 169: 56: 55: 42: 33: 21: 1193: 1192: 1188: 1187: 1186: 1184: 1183: 1182: 1148:Moths of Europe 1108: 1107: 1106: 1101: 1093: 1088: 1080: 1077:Observation.org 1075: 1067: 1062: 1054: 1049: 1041: 1036: 1028: 1026: 1018: 1016: 1008: 1003: 995: 990: 982: 977: 969: 964: 956: 951: 943: 938: 930: 925: 917: 912: 904: 899: 891: 886: 878: 873: 865: 860: 852: 847: 839: 837: 829: 827: 819: 817: 809: 804: 795: 794: 789: 780: 779: 774: 761: 723:Wayback Machine 698: 696: 683: 666: 661: 660: 646: 636: 621: 620: 616: 607: 603: 588: 587: 583: 573: 571: 568:"beet armyworm" 566: 565: 552: 542: 540: 535: 534: 530: 520: 518: 513: 512: 508: 503: 486: 413: 341: 312: 299: 295: 292: 290: 287: 280: 264: 209:Laphygma exigua 178: 171: 165: 152: 50: 17: 16:Species of moth 12: 11: 5: 1191: 1189: 1181: 1180: 1175: 1170: 1165: 1160: 1155: 1153:Moths of Japan 1150: 1145: 1140: 1135: 1130: 1125: 1120: 1110: 1109: 1103: 1102: 1100: 1099: 1086: 1073: 1060: 1047: 1034: 1024: 1014: 1001: 988: 975: 962: 949: 936: 927:Fauna Europaea 923: 910: 897: 884: 871: 858: 845: 835: 825: 815: 802: 787: 771: 769: 763: 762: 757: 751: 750: 747:Lepiforum e.V. 743: 729: 713: 710:Fauna Europaea 706: 681: 665: 664:External links 662: 659: 658: 649:|journal= 614: 601: 590:Hampson, G. F. 581: 550: 528: 505: 504: 502: 499: 498: 497: 485: 482: 473:to the field. 412: 409: 340: 337: 311: 308: 279: 276: 263: 260: 216: 215: 214: 213: 206: 204:Butler, 1880 198: 196:Hubner, 1808 187: 186: 180: 179: 172: 161: 160: 154: 153: 149:S. exigua 146: 144: 140: 139: 132: 128: 127: 122: 118: 117: 112: 108: 107: 102: 98: 97: 92: 88: 87: 82: 78: 77: 72: 68: 67: 62: 58: 57: 44: 43: 35: 34: 26: 25: 24:Beet armyworm 15: 13: 10: 9: 6: 4: 3: 2: 1190: 1179: 1176: 1174: 1171: 1169: 1168:Moths of Asia 1166: 1164: 1161: 1159: 1156: 1154: 1151: 1149: 1146: 1144: 1141: 1139: 1136: 1134: 1131: 1129: 1126: 1124: 1121: 1119: 1116: 1115: 1113: 1096: 1091: 1087: 1083: 1078: 1074: 1070: 1065: 1061: 1057: 1052: 1048: 1044: 1039: 1035: 1031: 1025: 1021: 1015: 1011: 1006: 1002: 998: 993: 989: 985: 980: 976: 972: 967: 963: 959: 954: 950: 946: 941: 937: 933: 928: 924: 920: 915: 911: 907: 902: 898: 894: 889: 885: 881: 876: 872: 868: 863: 859: 855: 850: 846: 842: 836: 832: 826: 822: 816: 812: 807: 803: 798: 792: 788: 783: 777: 773: 772: 770: 768: 764: 760: 755: 749: 748: 744: 741: 737: 733: 732:beet armyworm 730: 727: 724: 720: 717: 714: 712: 711: 707: 695: 691: 689: 682: 679: 675: 673: 668: 667: 663: 654: 641: 633: 629: 625: 618: 615: 611: 605: 602: 597: 596: 591: 585: 582: 569: 563: 561: 559: 557: 555: 551: 538: 532: 529: 516: 510: 507: 500: 495: 491: 488: 487: 483: 481: 479: 474: 472: 471: 466: 465: 460: 459: 454: 453: 448: 447: 442: 441: 436: 435: 430: 429: 424: 423: 418: 410: 408: 406: 402: 398: 394: 390: 386: 382: 378: 374: 370: 366: 362: 358: 354: 350: 346: 338: 332: 328: 326: 321: 317: 309: 307: 304: 285: 277: 271: 267: 261: 259: 257: 253: 249: 245: 241: 237: 233: 232: 227: 223: 222:beet armyworm 210: 207: 202: 199: 194: 193:Noctua exigua 191: 188: 185: 181: 176: 170: 168: 162: 159: 158:Binomial name 155: 151: 150: 145: 142: 141: 138: 137: 133: 130: 129: 126: 123: 120: 119: 116: 113: 111:Superfamily: 110: 109: 106: 103: 100: 99: 96: 93: 90: 89: 86: 83: 80: 79: 76: 73: 70: 69: 66: 63: 60: 59: 54: 49: 45: 41: 36: 32: 27: 22: 19: 766: 746: 725: 709: 697:. 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Index



Scientific classification
Edit this classification
Eukaryota
Animalia
Arthropoda
Insecta
Lepidoptera
Noctuoidea
Noctuidae
Spodoptera
Binomial name
Hübner
Synonyms
agricultural
insects
worldwide
introduced species

Glossary of entomology terms
parenchyma
lettuce
silk

asparagus
beans
peas
beets
celery

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